Electrical switch

Details Electrical switch Electrical switch

2006-11-14

2006-11-14

Friedhofer, Michael A (Department: 2832)

Electricity: circuit makers and breakers

Multiple circuit control

Combined pivoted and reciprocating contact

C200S014000, C200S406000

Reexamination Certificate

active

07135646

ABSTRACT:
An electrical switch includes an insulative housing (10), a set of fixed contacts fastened in the housing, a movable contacts (30) received in the housing, a load plate (40) mounted above the movable contact, a spring (50) mounted in the load plate, a driver (60) defined on the load plate, a shell (70) surrounding the housing, a knob (80) assembled with the load plate, and a push button (90) assembled on the load plate. While rotating the knob, the load plate is accordingly rotated, and the movable contacts are driven to contact with some of the fixed contacts, which enables rotary operation. While pressing the push button, the driver is pressed to move downwardly to press the movable contacts for contacting with the fixed contacts, which enables pushing operation.

REFERENCES:
patent: 5204502 (1993-04-01), Ferris et al.
patent: 6236002 (2001-05-01), Chou
patent: 6525277 (2003-02-01), Oba et al.
patent: 6670563 (2003-12-01), Jeon
patent: 6784384 (2004-08-01), Park et al.
patent: 6952197 (2005-10-01), Nakamura et al.
patent: 6974921 (2005-12-01), Jørgensen et al.

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